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From: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>
To: Joshua D. Drake <jd@commandprompt.com>
Cc: Merlin Moncure <mmoncure@gmail.com>
Cc: Greg Smith <greg@2ndquadrant.com>
Cc: sthomas@optionshouse.com, Tomas Vondra <tv@fuzzy.cz>
Cc: pgsql-performance@postgresql.org
Subject: Re: Reliability with RAID 10 SSD and Streaming Replication
Date: Thu, 23 May 2013 14:04:32 +1200
Message-ID: <519D7930.2040308@catalyst.net.nz> (raw)
In-Reply-To: <519D71AD.4080606@catalyst.net.nz>
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On 23/05/13 13:32, Mark Kirkwood wrote:
> On 23/05/13 13:01, Joshua D. Drake wrote:
>>
>> On 05/22/2013 04:37 PM, Merlin Moncure wrote:
>>>
>>> On Wed, May 22, 2013 at 5:42 PM, Joshua D. Drake 
>>> <jd@commandprompt.com> wrote:
>>>> I am curious how the 710 or S3700 stacks up against the new M500 from
>>>> Crucial? I know Intel is kind of the goto for these things but the 
>>>> m500 is
>>>> power off protected and rated at: Endurance: 72TB total bytes 
>>>> written (TBW),
>>>> equal to 40GB per day for 5 years .
>>>
>>> I don't think the m500 is power safe (nor is any drive at the <1$/gb
>>> price point).
>>
>> According the the data sheet it is power safe.
>>
>> http://investors.micron.com/releasedetail.cfm?ReleaseID=732650
>> http://www.micron.com/products/solid-state-storage/client-ssd/m500-ssd
>>
>>
>
> Yeah - they apparently have a capacitor on board.
>

Make that quite a few capacitors (top right corner):

http://regmedia.co.uk/2013/05/07/m500_4.jpg


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